We packed sleep masks and earplugs for the long flight.

During the laboratory emergency drill, all students were instructed to put on their gas masks before entering the contamination zone.

Before the competition, the divers polished their diving masks until the lenses were crystal clear.

The exhibit featured several death masks arranged under glass, their silent faces preserving history more vividly than any portrait.

She applied two different facial masks while listening to music and relaxing.

The hospital donated extra surgical masks to the community during the outbreak.

On Halloween, the thrift store had a shelf full of Jason masks that sent shivers down my spine.

The volunteers handed out dust masks to everyone before the cleanup began.

We packed extra flu masks in the emergency kit before traveling to visit Grandma.

Flight attendants reminded passengers to secure their oxygen masks before assisting others.